Genetics: From Genes to Genomes
6th Edition
ISBN: 9781259700903
Author: Leland Hartwell Dr., Michael L. Goldberg Professor Dr., Janice Fischer, Leroy Hood Dr.
Publisher: McGraw-Hill Education
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Chapter 13, Problem 50P
The names of hybrid animals are usually themselves hybrids between the names of the species used to generate them, with the male gamete first. A cross between a male leopard and a female lion results in a leopon; the father of the zonkey in the picture that follows is a zebra and its mother is a donkey.
| a. | Not all animal hybrids are possible. For example, a cross between a dog and a bird, or an elephant and a koala, or a cat and a shark will not produce viable hybrid progeny. What do you think is the major factor determining whether or not a hybrid animal will be viable? |
| b. | Some hybrid animals are fertile. What is the major factor that determines whether or not a viable animal hybrid will also be fertile? |
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Using the punnet square (mono-hybrid cross) solve the following:
In some cattle the genes for brown hair (B) and for white hair (W) are co-dominant, this condition allows cattle to show brown & white hair at the same time, and this resulting appearance is often referred to as Roan (BW). -A roan cow is crossed with a roan bull
1st Question to answer ---- How many different possible genotypes are there among the offspring?
2nd Question to answer ---- How many of the offspring could be brown?
3rd Question to answer ---- How many of the offspring could be white?
4th Question to answer ---- How many of the offspring could be roan?
An ebony strain of flies was discovered to be sensitive to carbon
dioxide. Crossing a female sensitive strain with male resistant strain
gave all sensitive offspring. The offspring of an F, female crossed
with a resistant male were all sensitive.
Using the following key to your illustrations using shapes, make a
reciprocal cross up to the F2 generation. Put your illustrations in the
space provided below. Label the phenotypes of all individuals in the
reciprocal cross. Adjust spacing, if necessary. Make sure that the
complete cross(es) can fit the same page.
Big blue circle
Big pink circle
Small half-blue-half-pink circle
Small blue circle
Small pink circle
- male cytoplasm
- female cytoplasm
- F, nucleus
- male nucleus
- female nucleus
An ebony strain of flies was discovered to be sensitive to carbon dioxide. Crossing a female sensitive strain with male resistant strain gave all sensitive offspring. The offspring of an F1 female crossed with a resistant male were all sensitive.
Using the following key to your illustrations using shapes, make a reciprocal cross up to the F2 generation. Put your illustrations in the space provided below. Label the phenotypes of all individuals in the reciprocal cross. Adjust spacing, if necessary. Make sure that the complete cross(es) can fit the same page.
Big blue circle - male cytoplasm
Big pink circle - female cytoplasm
Small half-blue-half-pink circle - F1 nucleus
Small blue circle - male nucleus
Small pink circle - female nucleus
give a diagram please
Chapter 13 Solutions
Genetics: From Genes to Genomes
Ch. 13 - For each of the terms in the left column, choose...Ch. 13 - Prob. 2PCh. 13 - For each of the following types of chromosomal...Ch. 13 - For the following types of chromosomal...Ch. 13 - One of the X chromosomes in a particular...Ch. 13 - A diploid strain of yeast was made by mating a...Ch. 13 - The two graphs that follow represent genomic...Ch. 13 - A series of chromosomal mutations in Drosophila...Ch. 13 - Indicate which of the four major classes of...Ch. 13 - The recessive, X-linked z1 mutation of the...
Ch. 13 - Genes a and b are 21 m.u. apart when mapped in...Ch. 13 - In the following group of figures, the pink lines...Ch. 13 - Three strains of Drosophila Bravo, X-ray, and...Ch. 13 - Two yeast strains were mated and sporulated...Ch. 13 - Suppose a haploid yeast strain carrying two...Ch. 13 - In the mating between two haploid yeast strains...Ch. 13 - During ascus formation in Neurospora, any...Ch. 13 - In the following figure, black and pink lines...Ch. 13 - In Drosophila, the gene for cinnabar eye color is...Ch. 13 - Semisterility in corn, as seen by unfilled ears...Ch. 13 - A promising biological method for insect control...Ch. 13 - Prob. 23PCh. 13 - a. Among the progeny of a self-fertilized...Ch. 13 - Duchenne muscular dystrophy DMD is caused by a...Ch. 13 - WHIM syndrome is a disease of the immune system...Ch. 13 - Explain how transposable elements can cause the...Ch. 13 - The Drosophila genome normally harbors about 40 P...Ch. 13 - Drosophila P elements were discovered because of a...Ch. 13 - Flies homozygous for mutant alleles of a...Ch. 13 - Fred and Mary have a child named Bob. The genomic...Ch. 13 - Uniparental disomy is a rare phenomenon in which...Ch. 13 - Among adults with Turner syndrome, it has been...Ch. 13 - In Neurospora, his2 mutants require the amino acid...Ch. 13 - Human geneticists interested in the effects of...Ch. 13 - The incidence of Down syndrome will be very high...Ch. 13 - The Drosophila chromosome 4 is extremely small;...Ch. 13 - Down syndrome is usually caused by having a...Ch. 13 - Common red clover, Trifolium pratense, is a...Ch. 13 - The numbers of chromosomes in the somatic cells of...Ch. 13 - Prob. 41PCh. 13 - Somatic cells in organisms of a particular diploid...Ch. 13 - An allotetraploid species has a genome composed of...Ch. 13 - Prob. 44PCh. 13 - Chromosomes normally associate during meiosis I as...Ch. 13 - Using whole-genome sequencing, how could you...Ch. 13 - Prob. 47PCh. 13 - Prob. 48PCh. 13 - Seedless watermelons that you find in the...Ch. 13 - The names of hybrid animals are usually themselves...Ch. 13 - While most animals cannot tolerate polyploidy,...Ch. 13 - What characteristic property of translocations...Ch. 13 - Prob. 53PCh. 13 - In the accompanying figure, the top and bottom...Ch. 13 - Prob. 55PCh. 13 - The accompanying figure shows idiograms of human...Ch. 13 - Prob. 57P
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